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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650) 364-9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94596 (925)988-%00 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342. <br /> i <br /> Cambria Client Prol ID Shell 420 West Kettleman lane _ Sampled 03/23/99 <br /> 270 Perkins Ave Sample Descnpt SP-3 Received 03/23/99 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 03/24/99 <br /> Analysis Method EPA 8015 Mod Analyzed 03/24/99 <br /> Attention Mike Murphy _ Lab Number 9903A47-03 _ _ _-Reported_03f 2fi/99_ <br /> QC Batch Number GC032499BTEXEXA <br /> Instrument ID GCHP31 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 10 94 <br /> Chromatogram Pattern GAS <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 111 <br /> 4-Bromofluorobenzene 60 140 17Q <br /> 0 <br /> Analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project 4anager Page 5 <br />